author | simonis |
Mon, 20 Jan 2014 09:24:25 +0100 | |
changeset 22604 | 9b394795e216 |
parent 5506 | 202f599c92aa |
permissions | -rw-r--r-- |
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/* |
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* Copyright (c) 2002, 2006, Oracle and/or its affiliates. All rights reserved. |
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
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* |
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* This code is free software; you can redistribute it and/or modify it |
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* under the terms of the GNU General Public License version 2 only, as |
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* published by the Free Software Foundation. Oracle designates this |
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* particular file as subject to the "Classpath" exception as provided |
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* by Oracle in the LICENSE file that accompanied this code. |
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* |
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* This code is distributed in the hope that it will be useful, but WITHOUT |
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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* version 2 for more details (a copy is included in the LICENSE file that |
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* accompanied this code). |
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* |
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* You should have received a copy of the GNU General Public License version |
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* 2 along with this work; if not, write to the Free Software Foundation, |
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
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* |
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
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* or visit www.oracle.com if you need additional information or have any |
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* questions. |
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*/ |
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/* |
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*/ |
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package sun.nio.ch; |
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import java.io.IOException; |
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import java.io.FileDescriptor; |
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import java.nio.ByteBuffer; |
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import java.nio.channels.*; |
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import java.nio.channels.spi.*; |
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/** |
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* Pipe.SourceChannel implementation based on socket connection. |
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*/ |
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class SourceChannelImpl |
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extends Pipe.SourceChannel |
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implements SelChImpl |
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{ |
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// The SocketChannel assoicated with this pipe |
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SocketChannel sc; |
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public FileDescriptor getFD() { |
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return ((SocketChannelImpl) sc).getFD(); |
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} |
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public int getFDVal() { |
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return ((SocketChannelImpl) sc).getFDVal(); |
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} |
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SourceChannelImpl(SelectorProvider sp, SocketChannel sc) { |
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super(sp); |
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this.sc = sc; |
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} |
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protected void implCloseSelectableChannel() throws IOException { |
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if (!isRegistered()) |
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kill(); |
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} |
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public void kill() throws IOException { |
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sc.close(); |
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} |
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protected void implConfigureBlocking(boolean block) throws IOException { |
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sc.configureBlocking(block); |
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} |
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public boolean translateReadyOps(int ops, int initialOps, |
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SelectionKeyImpl sk) { |
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int intOps = sk.nioInterestOps(); // Do this just once, it synchronizes |
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int oldOps = sk.nioReadyOps(); |
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int newOps = initialOps; |
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9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
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parents:
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changeset
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if ((ops & Net.POLLNVAL) != 0) |
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throw new Error("POLLNVAL detected"); |
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22604
9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
5506
diff
changeset
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if ((ops & (Net.POLLERR | Net.POLLHUP)) != 0) { |
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newOps = intOps; |
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sk.nioReadyOps(newOps); |
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return (newOps & ~oldOps) != 0; |
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} |
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9b394795e216
8031997: PPC64: Make the various POLL constants system dependant
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parents:
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changeset
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if (((ops & Net.POLLIN) != 0) && |
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((intOps & SelectionKey.OP_READ) != 0)) |
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newOps |= SelectionKey.OP_READ; |
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sk.nioReadyOps(newOps); |
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return (newOps & ~oldOps) != 0; |
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} |
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public boolean translateAndUpdateReadyOps(int ops, SelectionKeyImpl sk) { |
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return translateReadyOps(ops, sk.nioReadyOps(), sk); |
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} |
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public boolean translateAndSetReadyOps(int ops, SelectionKeyImpl sk) { |
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return translateReadyOps(ops, 0, sk); |
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} |
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public void translateAndSetInterestOps(int ops, SelectionKeyImpl sk) { |
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if ((ops & SelectionKey.OP_READ) != 0) |
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8031997: PPC64: Make the various POLL constants system dependant
simonis
parents:
5506
diff
changeset
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ops = Net.POLLIN; |
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sk.selector.putEventOps(sk, ops); |
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} |
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public int read(ByteBuffer dst) throws IOException { |
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try { |
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return sc.read(dst); |
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} catch (AsynchronousCloseException x) { |
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close(); |
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throw x; |
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} |
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} |
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public long read(ByteBuffer[] dsts, int offset, int length) |
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throws IOException |
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{ |
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if ((offset < 0) || (length < 0) || (offset > dsts.length - length)) |
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throw new IndexOutOfBoundsException(); |
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try { |
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return read(Util.subsequence(dsts, offset, length)); |
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} catch (AsynchronousCloseException x) { |
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close(); |
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throw x; |
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} |
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} |
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public long read(ByteBuffer[] dsts) throws IOException { |
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try { |
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return sc.read(dsts); |
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} catch (AsynchronousCloseException x) { |
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close(); |
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throw x; |
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} |
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} |
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} |